source:digest。bps。org。uk 欲翻译的小伙伴,可评论领稿,并把完成的译文贴在评论处或发在自己的心理圈内。谢谢 Forover15yearsnow,I’vefaithfullykeptadiary。Everynight,fromage11untilmysenioryearofuniversity,Isnuggledintomybedsheetsandrehashedtheday’seventsbeforenoddingofftosleep。EventhoughI’mmorelikelytoscribbledownmythoughtsjustonceortwiceaweeknowadays,I’vefoundthatwritinginadiarybeforebedisafunwaytocapturemymemoriesnomatterhowfrivoloustoenjoyagainyearsdowntheroad。 Nowanewstudy,publishedrecentlyinTheQuarterlyJournalofExperimentalPsychology,suggeststhatmynightlyroutinemighthelpwithsomethingelse:beingabletorecallaspecificday’seventsfrommemoryweekslater。Importantly,however,ImaybeatagreateradvantagethansomediaristsbecauseItypicallywriteinmydiaryjustbeforehittingthepillow,insteadofwaitinguntilthenextmorning。 CognitivepsychologistgnesSzllsiandhercolleagueswereinterestedinexploringhowautobiographicalmemories,orpersonalmemoriesofone’slifeexperiences,canbeinfluencedbythetimeatwhichthey’rerecordedandconsolidated。Becauseit’sknownthatsleephasabeneficialeffectonlearningandlongtermmemoryformation,theauthorshypothesisedthatpeoplewhorecordedtheday’seventsintheeveningjustbeforebedwouldrecallmoreevents30dayslaterthanthosewhochronicledtheirdaythenextmorning。 Totestthis,Szllsiandhercolleaguesrecruited109youngadultsbetweentheagesof18and25tokeepawrittendiaryonline。Theagerangewaspurposelynarrowtocontrolforcircadianeffects,asyoungpeopletendtoperformbetterattasksintheeveningthanolderadults。 Theparticipantsweredividedintothreegroups:thosewhorecordedtheirnotesintheevening,justbeforebed,aboutaneventthattheyhadexperiencedearlierthatsameday(Group1);thosewhorecordedinthemorning,rightafterwaking,aneventfromthepreviousday(Group2);andthosewhorecordedintheevening,justbeforebed,aneventfromthepreviousday(Group3)。Inadditiontokeepingtheirdiaryforfiveconsecutivedays,participantsalsoratedthepersonalimportanceoftheeventsthey’dwrittenabout(onascaleof1to5),thedurationoftheevents,andtheamountofsleepthey’dhadthenightbefore。 Thirtydayslater,allparticipantswereinstructedtodescribeasmanyofthepreviouslyrecordedeventsastheycould,andhowcertaintheywereabouttheirrecollections(onascaleof1to5)。“Recallrate”wasthencalculatedasthepercentageofrecalledeventsoutofthoserecordedinitiallyintheonlinediary。 Importantly,therewerenodifferencesbetweenthegroupsinthewaythattheykepttheirdiaries:thenumberofrecordedevents,thelengthofdescriptions(wordcount),ratingsofpersonalimportance,anddurationoftheevents,werethesameforallthreegroups。Norwerethereanygroupdifferencesintheamountoftimetheparticipantsreportedsleeping。 Andyet,recallratewasnearly10percentlowerinGroup2theseweretheparticipantswhochronicledthepreviousday’seventsinthemorningafterawakeningcomparedtothetwoeveninggroups。Despitedifferencesinhowthegroupsperformed,however,thethreegroupsscoredsimilarlyinratingsofcertaintyinotherwords,theeveningdiaristsdidn’tseemtoknowtheirmemoriesweremoreaccurate。Also,theeveningbenefitappliedtoalleventmemoriesequally,regardlessoftheirpersonalsignificance。 Theresearchersconcludedthatthetimeofmemoryreactivation(inthiscase,thetimeatwhichaneventisdescribedinadiary)affectshowthememoriesarereconsolidated。Butwhy?Szllsiandhercolleaguessuggestthatwhenamemoryisinan“uns”form(whichiswhathappensafterreactivationinthiscase,afterwritingaboutaneventinadiary),it’svulnerabletointerference。Whenparticipantswroteintheirdiaryinthemorning,interferingeventsthattookplacelaterinthedaycoulddisrupttheconsolidationprocess。However,whendonerightbeforebedwhetheronthedayoftheeventoreven24hourslatersleepmayworktorestabiliseandconsolidatethesememories。 Toexaminethishypothesisfurtherandgiventheeffectofageoncircadianpreferenceitwouldbeinterestingtorerunthisexperimentinolderadults,astheytendtoperformbetteronmemoryandcognitivetasksinthemorningcomparedtoyoungadults。 Thenewresultsmightbeusefulifyou’reconsideringusingadailydiaryasawaytokeephappymemoriesalivesuchasonholiday,say,orchartingaspecialperiodinyourchild’sdevelopment。Byrecordingyourreflectionsintheeveningratherthanthemorning,you’llbecarvingthememoriesdeeperinyourownmind。 However,myownmotivesaredifferentI’llkeepupmydiaryhabitmostlybecauseI’meagertoseehow50yearoldJordanwilleventuallyinterpretthemindof11,18,and25yearoldJordans。 References Szllsi,A。,Keresztes,A。,Conway,M。,Racsmny,M。(2015)。Adiaryafterdinner:HowthetimeofeventrecordinginfluenceslateraccessibilityofdiaryeventsTheQuarterlyJournalofExperimentalPsychology,16DOI:10。108017470218。2015。1058403